linux-kernel - Re: [linux-sunxi] Re: [RFC PATCH v2 08/14] mtd: nand: add sunxi NAND flash controller support

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Message-ID: <20140311184513.GC31835@obsidianresearch.com>
Date:	Tue, 11 Mar 2014 12:45:13 -0600
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Boris BREZILLON <b.brezillon.dev@...il.com>
Cc:	linux-sunxi@...glegroups.com,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	devicetree@...r.kernel.org, Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, linux-doc@...r.kernel.org,
	dev@...ux-sunxi.org, linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org, Rob Landley <rob@...dley.net>,
	Grant Likely <grant.likely@...aro.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Brian Norris <computersforpeace@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [linux-sunxi] Re: [RFC PATCH v2 08/14] mtd: nand: add sunxi NAND
 flash controller support

On Mon, Mar 10, 2014 at 12:17:31PM +0100, Boris BREZILLON wrote:
> Hello Jason,
> 
> Le 29/01/2014 20:10, Jason Gunthorpe a écrit :
> >On Wed, Jan 29, 2014 at 03:46:20PM -0300, Ezequiel Garcia wrote:
> >
> >>After CE# has been pulled high and then transitioned low again, the host
> >>should issue a Set Features to select the appropriate asynchronous timing mode.
> >>"""
> >Oh, I had forgot you should do a set feature too
> >
> >Boris, I think the core core should handle this dance and the driver
> >should just implement a call back to change the timing mode on the
> >interface..
> >
> >If I ever get a moment I can work on support for timing setting in the
> >mvebu driver, I have boards here with ONFI NAND..
> 
> Any progress on this ?
> I'm about to post the 3rd version of this series and if you already have
> something working I could base my work on your proposal.

Sorry, no, I will try to look over your v3 though.

Regards,
Jason
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